A Group Of Scientists Are Repopulating Dead Corals By Using Speakers

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A group of British and Australian scientists are repopulating the dead corals of the Great Barrier Reef in Australia, using special loudspeakers and speakers, and it has really worked!

The ocean is such a beautiful place, which serves as a habitat for many fish and crustaceans within clustered corals. However, this habitat is being destroyed by tropical storms and global warming.

Due to changes in the weather, our underwater paradise fades slowly but surely due to several, but serious threats.

The International Union for the Conservation of Nature (IUCN) has declared that 33% of corals that build reefs are in danger.

Many reefs around the world have suffered the consequences of climate change. With several coral reef sanctuaries that have undergone massive bleaching or have been destroyed by physical causes, such as explosives, mining and overfishing.

One of the main victims of this is the Great Barrier Reef in Australia, which has the most extensive coral reef system in the world. National Geographic has published alarming data that reveals that half of the Great Barrier Reef has been bleached to death since 2016, caused by the heat of climate change.

For this reason a team of British and Australian scientists joined forces to reach an innovative solution to revive one of the seven natural wonders of the world.

His innovative findings have been published in the Journal of Nature Communications, which reveals how the use of loudspeakers has helped attract fish to coral reefs deaths to restore them to health. This process is called “acoustic enrichment.”

Co-author Andy Radford of the University of Bristol described that “acoustic enrichment is a promising technique for local management.”

On the other side of the Great Barrier Reef, speakers have been placed in patches of dead coral and after careful observation it was established that there were some positive results.

After the loudspeakers were placed, almost twice as many fish arrived and occupied the makeshift habitat compared to patches where they made no sound.

Steve Simpson, a professor of marine biology and a professor of Global Change at Exeter University, said: “Healthy coral reefs are remarkably loud places: the crunch of shrimp that break and the screams and grunts of fish combine to form a dazzling biological landscape.”

“Juvenile fish are tuned with these sounds when they look for a place to settle,” he concluded.

After the occupants migrated to other habitats, it has meant a degraded reef that has become almost silent. Simpson added: “By using speakers to restore this lost sound landscape, we can attract young fish again.”

Another marine biologist and lead author of the study, named Tim Gordon, mentioned how increasing the population of fish can help the lost ecosystem thrive again.